Home / 1,812,159,821,789.80-2,504,051,775,265.80-1,290,409,423,642

Finding the Fourth Proportional to 1,812,159,821,789.80, 2,504,051,775,265.80 and 1,290,409,423,642

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Solution

The fourth proportional to 1,812,159,821,789.80, 2,504,051,775,265.80 and 1,290,409,423,642 is: 1,783,094,387,833.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,159,821,789.80 : 2,504,051,775,265.80 = 1,290,409,423,642 : x
  2. Step 2: Convert to fraction form
    1,812,159,821,789.80/2,504,051,775,265.80 = 1,290,409,423,642/x
  3. Step 3: Cross multiply
    1,812,159,821,789.80x = 2,504,051,775,265.80 × 1,290,409,423,642
  4. Step 4: Simplify right side
    1,812,159,821,789.80x = 3,231,252,008,090,467,815,129,088
  5. Step 5: Solve for x
    x = 3,231,252,008,090,467,815,129,088/1,812,159,821,789.80
  6. Step 6: Final answer
    x = 1,783,094,387,833.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.